hello-world

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      <h2><a href="./">Go by Example</a>: Hello World</h2>

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            <p>Our first program will print the classic &ldquo;hello world&rdquo;
message. Here&rsquo;s the full source code.</p>

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	        <a href="http://play.golang.org/p/2C7wwJ6nxG"><img title="Run code" src="play.png" class="run" /></a>
            <div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
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            <div class="highlight"><pre><span class="kn">import</span> <span class="s">&quot;fmt&quot;</span>
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            <div class="highlight"><pre><span class="kd">func</span> <span class="nx">main</span><span class="p">()</span> <span class="p">{</span>
    <span class="nx">fmt</span><span class="p">.</span><span class="nx">Println</span><span class="p">(</span><span class="s">&quot;hello world&quot;</span><span class="p">)</span>
<span class="p">}</span>
</pre></div>

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            <p>To run the program, put the code in <code>hello-world.go</code> and
use <code>go run</code>.</p>

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            <div class="highlight"><pre><span class="gp">$</span> go run hello-world.go
<span class="go">hello world</span>
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            <p>Sometimes we&rsquo;ll want to build our programs into
binaries. We can do this using <code>go build</code>.</p>

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            <div class="highlight"><pre><span class="gp">$</span> go build hello-world.go
<span class="gp">$</span> ls
<span class="go">hello-world	hello-world.go</span>
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            <p>We can then execute the built binary directly.</p>

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            <div class="highlight"><pre><span class="gp">$</span> ./hello-world
<span class="go">hello world</span>
</pre></div>

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            <p>Now that we can run and build basic Go programs, let&rsquo;s
learn more about the language.</p>

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        Next example: <a href="values">Values</a>.
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